1 /* GIMP - The GNU Image Manipulation Program
2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include <string.h>
21
22 #include <gegl.h>
23 #include <gtk/gtk.h>
24
25 #include "libgimpbase/gimpbase.h"
26 #include "libgimpcolor/gimpcolor.h"
27 #include "libgimpwidgets/gimpwidgets.h"
28
29 #include "actions-types.h"
30
31 #include "config/gimpdialogconfig.h"
32
33 #include "core/gimp.h"
34 #include "core/gimpchannel.h"
35 #include "core/gimpchannel-select.h"
36 #include "core/gimpcontext.h"
37 #include "core/gimpdrawable-fill.h"
38 #include "core/gimpimage.h"
39 #include "core/gimpimage-undo.h"
40
41 #include "widgets/gimpaction.h"
42 #include "widgets/gimpcolorpanel.h"
43 #include "widgets/gimpcomponenteditor.h"
44 #include "widgets/gimpdock.h"
45 #include "widgets/gimphelp-ids.h"
46
47 #include "dialogs/dialogs.h"
48 #include "dialogs/channel-options-dialog.h"
49
50 #include "actions.h"
51 #include "channels-commands.h"
52 #include "items-commands.h"
53
54 #include "gimp-intl.h"
55
56
57 #define RGBA_EPSILON 1e-6
58
59
60 /* local function prototypes */
61
62 static void channels_new_callback (GtkWidget *dialog,
63 GimpImage *image,
64 GimpChannel *channel,
65 GimpContext *context,
66 const gchar *channel_name,
67 const GimpRGB *channel_color,
68 gboolean save_selection,
69 gboolean channel_visible,
70 gboolean channel_linked,
71 GimpColorTag channel_color_tag,
72 gboolean channel_lock_content,
73 gboolean channel_lock_position,
74 gpointer user_data);
75 static void channels_edit_attributes_callback (GtkWidget *dialog,
76 GimpImage *image,
77 GimpChannel *channel,
78 GimpContext *context,
79 const gchar *channel_name,
80 const GimpRGB *channel_color,
81 gboolean save_selection,
82 gboolean channel_visible,
83 gboolean channel_linked,
84 GimpColorTag channel_color_tag,
85 gboolean channel_lock_content,
86 gboolean channel_lock_position,
87 gpointer user_data);
88
89
90 /* public functions */
91
92 void
channels_edit_attributes_cmd_callback(GimpAction * action,GVariant * value,gpointer data)93 channels_edit_attributes_cmd_callback (GimpAction *action,
94 GVariant *value,
95 gpointer data)
96 {
97 GimpImage *image;
98 GimpChannel *channel;
99 GtkWidget *widget;
100 GtkWidget *dialog;
101 return_if_no_channel (image, channel, data);
102 return_if_no_widget (widget, data);
103
104 #define EDIT_DIALOG_KEY "gimp-channel-edit-attributes-dialog"
105
106 dialog = dialogs_get_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY);
107
108 if (! dialog)
109 {
110 GimpItem *item = GIMP_ITEM (channel);
111
112 dialog = channel_options_dialog_new (image, channel,
113 action_data_get_context (data),
114 widget,
115 _("Channel Attributes"),
116 "gimp-channel-edit",
117 GIMP_ICON_EDIT,
118 _("Edit Channel Attributes"),
119 GIMP_HELP_CHANNEL_EDIT,
120 _("Edit Channel Color"),
121 _("_Fill opacity:"),
122 FALSE,
123 gimp_object_get_name (channel),
124 &channel->color,
125 gimp_item_get_visible (item),
126 gimp_item_get_linked (item),
127 gimp_item_get_color_tag (item),
128 gimp_item_get_lock_content (item),
129 gimp_item_get_lock_position (item),
130 channels_edit_attributes_callback,
131 NULL);
132
133 dialogs_attach_dialog (G_OBJECT (channel), EDIT_DIALOG_KEY, dialog);
134 }
135
136 gtk_window_present (GTK_WINDOW (dialog));
137 }
138
139 void
channels_new_cmd_callback(GimpAction * action,GVariant * value,gpointer data)140 channels_new_cmd_callback (GimpAction *action,
141 GVariant *value,
142 gpointer data)
143 {
144 GimpImage *image;
145 GtkWidget *widget;
146 GtkWidget *dialog;
147 return_if_no_image (image, data);
148 return_if_no_widget (widget, data);
149
150 #define NEW_DIALOG_KEY "gimp-channel-new-dialog"
151
152 dialog = dialogs_get_dialog (G_OBJECT (image), NEW_DIALOG_KEY);
153
154 if (! dialog)
155 {
156 GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
157
158 dialog = channel_options_dialog_new (image, NULL,
159 action_data_get_context (data),
160 widget,
161 _("New Channel"),
162 "gimp-channel-new",
163 GIMP_ICON_CHANNEL,
164 _("Create a New Channel"),
165 GIMP_HELP_CHANNEL_NEW,
166 _("New Channel Color"),
167 _("_Fill opacity:"),
168 TRUE,
169 config->channel_new_name,
170 &config->channel_new_color,
171 TRUE,
172 FALSE,
173 GIMP_COLOR_TAG_NONE,
174 FALSE,
175 FALSE,
176 channels_new_callback,
177 NULL);
178
179 dialogs_attach_dialog (G_OBJECT (image), NEW_DIALOG_KEY, dialog);
180 }
181
182 gtk_window_present (GTK_WINDOW (dialog));
183 }
184
185 void
channels_new_last_vals_cmd_callback(GimpAction * action,GVariant * value,gpointer data)186 channels_new_last_vals_cmd_callback (GimpAction *action,
187 GVariant *value,
188 gpointer data)
189 {
190 GimpImage *image;
191 GimpChannel *channel;
192 GimpDialogConfig *config;
193 return_if_no_image (image, data);
194
195 config = GIMP_DIALOG_CONFIG (image->gimp->config);
196
197 channel = gimp_channel_new (image,
198 gimp_image_get_width (image),
199 gimp_image_get_height (image),
200 config->channel_new_name,
201 &config->channel_new_color);
202
203 gimp_drawable_fill (GIMP_DRAWABLE (channel),
204 action_data_get_context (data),
205 GIMP_FILL_TRANSPARENT);
206
207 gimp_image_add_channel (image, channel,
208 GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
209 gimp_image_flush (image);
210 }
211
212 void
channels_raise_cmd_callback(GimpAction * action,GVariant * value,gpointer data)213 channels_raise_cmd_callback (GimpAction *action,
214 GVariant *value,
215 gpointer data)
216 {
217 GimpImage *image;
218 GimpChannel *channel;
219 return_if_no_channel (image, channel, data);
220
221 gimp_image_raise_item (image, GIMP_ITEM (channel), NULL);
222 gimp_image_flush (image);
223 }
224
225 void
channels_raise_to_top_cmd_callback(GimpAction * action,GVariant * value,gpointer data)226 channels_raise_to_top_cmd_callback (GimpAction *action,
227 GVariant *value,
228 gpointer data)
229 {
230 GimpImage *image;
231 GimpChannel *channel;
232 return_if_no_channel (image, channel, data);
233
234 gimp_image_raise_item_to_top (image, GIMP_ITEM (channel));
235 gimp_image_flush (image);
236 }
237
238 void
channels_lower_cmd_callback(GimpAction * action,GVariant * value,gpointer data)239 channels_lower_cmd_callback (GimpAction *action,
240 GVariant *value,
241 gpointer data)
242 {
243 GimpImage *image;
244 GimpChannel *channel;
245 return_if_no_channel (image, channel, data);
246
247 gimp_image_lower_item (image, GIMP_ITEM (channel), NULL);
248 gimp_image_flush (image);
249 }
250
251 void
channels_lower_to_bottom_cmd_callback(GimpAction * action,GVariant * value,gpointer data)252 channels_lower_to_bottom_cmd_callback (GimpAction *action,
253 GVariant *value,
254 gpointer data)
255 {
256 GimpImage *image;
257 GimpChannel *channel;
258 return_if_no_channel (image, channel, data);
259
260 gimp_image_lower_item_to_bottom (image, GIMP_ITEM (channel));
261 gimp_image_flush (image);
262 }
263
264 void
channels_duplicate_cmd_callback(GimpAction * action,GVariant * value,gpointer data)265 channels_duplicate_cmd_callback (GimpAction *action,
266 GVariant *value,
267 gpointer data)
268 {
269 GimpImage *image;
270 GimpChannel *new_channel;
271 GimpChannel *parent = GIMP_IMAGE_ACTIVE_PARENT;
272
273 if (GIMP_IS_COMPONENT_EDITOR (data))
274 {
275 GimpChannelType component;
276 const gchar *desc;
277 gchar *name;
278 return_if_no_image (image, data);
279
280 component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
281
282 gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
283 NULL, NULL, &desc, NULL);
284
285 name = g_strdup_printf (_("%s Channel Copy"), desc);
286
287 new_channel = gimp_channel_new_from_component (image, component,
288 name, NULL);
289
290 /* copied components are invisible by default so subsequent copies
291 * of components don't affect each other
292 */
293 gimp_item_set_visible (GIMP_ITEM (new_channel), FALSE, FALSE);
294
295 g_free (name);
296 }
297 else
298 {
299 GimpChannel *channel;
300 return_if_no_channel (image, channel, data);
301
302 new_channel =
303 GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (channel),
304 G_TYPE_FROM_INSTANCE (channel)));
305
306 /* use the actual parent here, not GIMP_IMAGE_ACTIVE_PARENT because
307 * the latter would add a duplicated group inside itself instead of
308 * above it
309 */
310 parent = gimp_channel_get_parent (channel);
311 }
312
313 gimp_image_add_channel (image, new_channel, parent, -1, TRUE);
314 gimp_image_flush (image);
315 }
316
317 void
channels_delete_cmd_callback(GimpAction * action,GVariant * value,gpointer data)318 channels_delete_cmd_callback (GimpAction *action,
319 GVariant *value,
320 gpointer data)
321 {
322 GimpImage *image;
323 GimpChannel *channel;
324 return_if_no_channel (image, channel, data);
325
326 gimp_image_remove_channel (image, channel, TRUE, NULL);
327 gimp_image_flush (image);
328 }
329
330 void
channels_to_selection_cmd_callback(GimpAction * action,GVariant * value,gpointer data)331 channels_to_selection_cmd_callback (GimpAction *action,
332 GVariant *value,
333 gpointer data)
334 {
335 GimpChannelOps op;
336 GimpImage *image;
337
338 op = (GimpChannelOps) g_variant_get_int32 (value);
339
340 if (GIMP_IS_COMPONENT_EDITOR (data))
341 {
342 GimpChannelType component;
343 return_if_no_image (image, data);
344
345 component = GIMP_COMPONENT_EDITOR (data)->clicked_component;
346
347 gimp_channel_select_component (gimp_image_get_mask (image), component,
348 op, FALSE, 0.0, 0.0);
349 }
350 else
351 {
352 GimpChannel *channel;
353 return_if_no_channel (image, channel, data);
354
355 gimp_item_to_selection (GIMP_ITEM (channel),
356 op, TRUE, FALSE, 0.0, 0.0);
357 }
358
359 gimp_image_flush (image);
360 }
361
362 void
channels_visible_cmd_callback(GimpAction * action,GVariant * value,gpointer data)363 channels_visible_cmd_callback (GimpAction *action,
364 GVariant *value,
365 gpointer data)
366 {
367 GimpImage *image;
368 GimpChannel *channel;
369 return_if_no_channel (image, channel, data);
370
371 items_visible_cmd_callback (action, value, image, GIMP_ITEM (channel));
372 }
373
374 void
channels_linked_cmd_callback(GimpAction * action,GVariant * value,gpointer data)375 channels_linked_cmd_callback (GimpAction *action,
376 GVariant *value,
377 gpointer data)
378 {
379 GimpImage *image;
380 GimpChannel *channel;
381 return_if_no_channel (image, channel, data);
382
383 items_linked_cmd_callback (action, value, image, GIMP_ITEM (channel));
384 }
385
386 void
channels_lock_content_cmd_callback(GimpAction * action,GVariant * value,gpointer data)387 channels_lock_content_cmd_callback (GimpAction *action,
388 GVariant *value,
389 gpointer data)
390 {
391 GimpImage *image;
392 GimpChannel *channel;
393 return_if_no_channel (image, channel, data);
394
395 items_lock_content_cmd_callback (action, value, image, GIMP_ITEM (channel));
396 }
397
398 void
channels_lock_position_cmd_callback(GimpAction * action,GVariant * value,gpointer data)399 channels_lock_position_cmd_callback (GimpAction *action,
400 GVariant *value,
401 gpointer data)
402 {
403 GimpImage *image;
404 GimpChannel *channel;
405 return_if_no_channel (image, channel, data);
406
407 items_lock_position_cmd_callback (action, value, image, GIMP_ITEM (channel));
408 }
409
410 void
channels_color_tag_cmd_callback(GimpAction * action,GVariant * value,gpointer data)411 channels_color_tag_cmd_callback (GimpAction *action,
412 GVariant *value,
413 gpointer data)
414 {
415 GimpImage *image;
416 GimpChannel *channel;
417 GimpColorTag color_tag;
418 return_if_no_channel (image, channel, data);
419
420 color_tag = (GimpColorTag) g_variant_get_int32 (value);
421
422 items_color_tag_cmd_callback (action, image, GIMP_ITEM (channel),
423 color_tag);
424 }
425
426 void
channels_select_cmd_callback(GimpAction * action,GVariant * value,gpointer data)427 channels_select_cmd_callback (GimpAction *action,
428 GVariant *value,
429 gpointer data)
430 {
431 GimpImage *image;
432 GimpChannel *channel;
433 GimpChannel *channel2;
434 GimpContainer *container;
435 GimpActionSelectType select_type;
436 return_if_no_channel (image, channel, data);
437
438 select_type = (GimpActionSelectType) g_variant_get_int32 (value);
439
440 container = gimp_image_get_channels (image);
441 channel2 = (GimpChannel *) action_select_object (select_type, container,
442 (GimpObject *) channel);
443
444 if (channel2 && channel2 != channel)
445 {
446 gimp_image_set_active_channel (image, channel2);
447 gimp_image_flush (image);
448 }
449 }
450
451 /* private functions */
452
453 static void
channels_new_callback(GtkWidget * dialog,GimpImage * image,GimpChannel * channel,GimpContext * context,const gchar * channel_name,const GimpRGB * channel_color,gboolean save_selection,gboolean channel_visible,gboolean channel_linked,GimpColorTag channel_color_tag,gboolean channel_lock_content,gboolean channel_lock_position,gpointer user_data)454 channels_new_callback (GtkWidget *dialog,
455 GimpImage *image,
456 GimpChannel *channel,
457 GimpContext *context,
458 const gchar *channel_name,
459 const GimpRGB *channel_color,
460 gboolean save_selection,
461 gboolean channel_visible,
462 gboolean channel_linked,
463 GimpColorTag channel_color_tag,
464 gboolean channel_lock_content,
465 gboolean channel_lock_position,
466 gpointer user_data)
467 {
468 GimpDialogConfig *config = GIMP_DIALOG_CONFIG (image->gimp->config);
469
470 g_object_set (config,
471 "channel-new-name", channel_name,
472 "channel-new-color", channel_color,
473 NULL);
474
475 if (save_selection)
476 {
477 GimpChannel *selection = gimp_image_get_mask (image);
478
479 channel = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
480 GIMP_TYPE_CHANNEL));
481
482 gimp_object_set_name (GIMP_OBJECT (channel),
483 config->channel_new_name);
484 gimp_channel_set_color (channel, &config->channel_new_color, FALSE);
485 }
486 else
487 {
488 channel = gimp_channel_new (image,
489 gimp_image_get_width (image),
490 gimp_image_get_height (image),
491 config->channel_new_name,
492 &config->channel_new_color);
493
494 gimp_drawable_fill (GIMP_DRAWABLE (channel), context,
495 GIMP_FILL_TRANSPARENT);
496 }
497
498 gimp_item_set_visible (GIMP_ITEM (channel), channel_visible, FALSE);
499 gimp_item_set_linked (GIMP_ITEM (channel), channel_linked, FALSE);
500 gimp_item_set_color_tag (GIMP_ITEM (channel), channel_color_tag, FALSE);
501 gimp_item_set_lock_content (GIMP_ITEM (channel), channel_lock_content, FALSE);
502 gimp_item_set_lock_position (GIMP_ITEM (channel), channel_lock_position, FALSE);
503
504 gimp_image_add_channel (image, channel,
505 GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
506 gimp_image_flush (image);
507
508 gtk_widget_destroy (dialog);
509 }
510
511 static void
channels_edit_attributes_callback(GtkWidget * dialog,GimpImage * image,GimpChannel * channel,GimpContext * context,const gchar * channel_name,const GimpRGB * channel_color,gboolean save_selection,gboolean channel_visible,gboolean channel_linked,GimpColorTag channel_color_tag,gboolean channel_lock_content,gboolean channel_lock_position,gpointer user_data)512 channels_edit_attributes_callback (GtkWidget *dialog,
513 GimpImage *image,
514 GimpChannel *channel,
515 GimpContext *context,
516 const gchar *channel_name,
517 const GimpRGB *channel_color,
518 gboolean save_selection,
519 gboolean channel_visible,
520 gboolean channel_linked,
521 GimpColorTag channel_color_tag,
522 gboolean channel_lock_content,
523 gboolean channel_lock_position,
524 gpointer user_data)
525 {
526 GimpItem *item = GIMP_ITEM (channel);
527
528 if (strcmp (channel_name, gimp_object_get_name (channel)) ||
529 gimp_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON ||
530 channel_visible != gimp_item_get_visible (item) ||
531 channel_linked != gimp_item_get_linked (item) ||
532 channel_color_tag != gimp_item_get_color_tag (item) ||
533 channel_lock_content != gimp_item_get_lock_content (item) ||
534 channel_lock_position != gimp_item_get_lock_position (item))
535 {
536 gimp_image_undo_group_start (image,
537 GIMP_UNDO_GROUP_ITEM_PROPERTIES,
538 _("Channel Attributes"));
539
540 if (strcmp (channel_name, gimp_object_get_name (channel)))
541 gimp_item_rename (GIMP_ITEM (channel), channel_name, NULL);
542
543 if (gimp_rgba_distance (channel_color, &channel->color) > RGBA_EPSILON)
544 gimp_channel_set_color (channel, channel_color, TRUE);
545
546 if (channel_visible != gimp_item_get_visible (item))
547 gimp_item_set_visible (item, channel_visible, TRUE);
548
549 if (channel_linked != gimp_item_get_linked (item))
550 gimp_item_set_linked (item, channel_linked, TRUE);
551
552 if (channel_color_tag != gimp_item_get_color_tag (item))
553 gimp_item_set_color_tag (item, channel_color_tag, TRUE);
554
555 if (channel_lock_content != gimp_item_get_lock_content (item))
556 gimp_item_set_lock_content (item, channel_lock_content, TRUE);
557
558 if (channel_lock_position != gimp_item_get_lock_position (item))
559 gimp_item_set_lock_position (item, channel_lock_position, TRUE);
560
561 gimp_image_undo_group_end (image);
562
563 gimp_image_flush (image);
564 }
565
566 gtk_widget_destroy (dialog);
567 }
568